Commitments and Contingencies (Details) $ in Millions				3 Months Ended		30 Months Ended
	Mar. 03, 2023 USD ($)	Mar. 25, 2022 USD ($)	Oct. 14, 2021 USD ($) payment	Mar. 31, 2023 USD ($) day	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($) day	Oct. 01, 2020 USD ($) installment
Commitments And Contingencies [Line Items]
Other commitment, number of prepaid installment payments | payment			4
Other commitment, reimbursement default period threshold | day				30		30
Settlement expense		$ 38.9
Litigation settlement, amount awarded to other party	$ 0.8
SLF Holdings, LLC
Commitments And Contingencies [Line Items]
Settlement expense				$ 38.9
Insurance recovery for settlement expense					$ 38.9
Windstream Commitment
Commitments And Contingencies [Line Items]
Other commitment							$ 490.1
Number of installments | installment							20
Percentage of committed purchase of assets							9.00%
Prepayment of settlement obligations under settlement agreement			$ 92.9
First five quarterly cash payments to be made after emergence				239.9		$ 239.9
Windstream Commitment, Growth Capital Improvements
Commitments And Contingencies [Line Items]
Other commitment							$ 1,750.0
Growth capital improvements fund annual limit				250.0
Growth capital improvements reimbursement amount				67.5		642.0
New lease, aggregate reimbursements made for certain growth capital improvements				35.1
Lease incentive				$ 0.7		0.7
Windstream Commitment, Growth Capital Improvements | Maximum
Commitments And Contingencies [Line Items]
Other commitment, to be paid, year one							225.0
Other commitment, to be paid, year two							225.0
Other commitment, to be paid, year three							225.0
Other commitment, to be paid, year four							225.0
Other commitment, to be paid, year five							175.0
Other commitment, to be paid, year six							175.0
Other commitment, to be paid, year seven							125.0
Other commitment, to be paid, year eight							125.0
Other commitment, to be paid, year nine							125.0
Windstream Commitments, Growth Capital Improvements, Cost Reimbursements
Commitments And Contingencies [Line Items]
Other commitment							$ 70.0
Windstream Commitments, Equipment Loan and Security Agreements
Commitments And Contingencies [Line Items]
Accrued interest rate for borrowing				8.00%
Windstream Commitments, Equipment Loan and Security Agreements | Maximum
Commitments And Contingencies [Line Items]
Other commitment				$ 125.0		$ 125.0
New lease, aggregate reimbursements made for certain growth capital improvements				$ 25.0
Windstream
Commitments And Contingencies [Line Items]
Annual rent adjustment for Growth Capital Funding				8.00%
Rate used for rent percentage				100.50%
Maximum funding rights allocated per year upon transfer of interests under Windstream lease				$ 20.0